you can export your project(s) as jlg file(s) in your 1.6 site, then import it in your 2.x site...

or you could try to copy all your 1.6 databases (and jl image files) to your 2.x database (check joomla prefix for the tables) and then install latest joomleague on your 2.x site and do the jl_upgrade-1_6_to_2_0.php update script (under jl administration), see JoomLeague 1.6 to 2.0 section in our wiki http://wiki.joomleague.at/doku.php?id=i ... ro#upgrade